:root {
  color-scheme: dark;
  --bg: #08090b;
  --panel: #0f1115;
  --panel-strong: #141820;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #f4f7fb;
  --muted: #9ba6b6;
  --soft: #c9d2df;
  --accent: #b88cff;
  --accent-strong: #d3b7ff;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 10% 0%, rgba(122, 72, 255, 0.12), transparent 34rem),
    radial-gradient(circle at 90% 10%, rgba(0, 190, 255, 0.08), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.hub-shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 32px 0 26px;
}

.hub-hero {
  min-height: 460px;
  display: grid;
  align-content: space-between;
  gap: 56px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(184, 140, 255, 0.08), transparent 45%),
    rgba(15, 17, 21, 0.9);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.32);
}

.hub-brand {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.hub-brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(184, 140, 255, 0.48);
  border-radius: 10px;
  background: rgba(184, 140, 255, 0.1);
  color: var(--accent-strong);
  font-weight: 800;
}

.hub-brand strong,
.hub-brand small {
  display: block;
}

.hub-brand strong {
  font-size: 0.86rem;
  letter-spacing: 0.12em;
}

.hub-brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hub-hero-copy {
  max-width: 820px;
}

.hub-kicker,
.hub-card-code {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(2.5rem, 7vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.hub-lead {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--soft);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.hub-primary {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 13px 17px;
  border: 1px solid rgba(184, 140, 255, 0.45);
  border-radius: 999px;
  background: rgba(184, 140, 255, 0.1);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.hub-primary:hover,
.hub-primary:focus-visible {
  border-color: var(--accent);
  background: rgba(184, 140, 255, 0.17);
  outline: none;
}

.hub-directory {
  padding: 86px 0 32px;
}

.hub-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 28px;
}

.hub-section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(1.9rem, 4vw, 3rem);
  letter-spacing: -0.035em;
}

.hub-section-heading > p {
  max-width: 360px;
  margin-bottom: 4px;
  color: var(--muted);
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.hub-card {
  min-height: 280px;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(15, 17, 21, 0.76);
  text-decoration: none;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.hub-card--flagship {
  background:
    linear-gradient(135deg, rgba(184, 140, 255, 0.09), transparent 55%),
    rgba(15, 17, 21, 0.92);
}

.hub-card:hover,
.hub-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background-color: var(--panel-strong);
  outline: none;
}

.hub-card h3 {
  margin-bottom: 12px;
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  letter-spacing: -0.035em;
}

.hub-card p {
  max-width: 520px;
  margin-bottom: 30px;
  color: var(--muted);
}

.hub-card-link {
  margin-top: auto;
  color: var(--soft);
  font-size: 0.9rem;
  font-weight: 700;
}

.hub-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 34px;
  padding: 24px 0 10px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.hub-footer strong,
.hub-footer span {
  display: block;
}

.hub-footer strong {
  margin-bottom: 3px;
  color: var(--text);
}

.hub-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hub-footer a {
  color: var(--soft);
  text-decoration: none;
}

.hub-footer a:hover,
.hub-footer a:focus-visible {
  color: var(--accent-strong);
  outline: none;
}

@media (max-width: 760px) {
  .hub-shell {
    width: min(calc(100% - 24px), var(--max));
    padding-top: 12px;
  }

  .hub-hero {
    min-height: 540px;
    padding: 20px;
    border-radius: 18px;
  }

  .hub-directory {
    padding-top: 58px;
  }

  .hub-section-heading,
  .hub-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hub-grid {
    grid-template-columns: 1fr;
  }

  .hub-card {
    min-height: 240px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hub-card {
    transition: none;
  }
}